For ranks from Genus to Realm, taxon names:
- Must have mandatory suffix endings (see tables below)
- Must be capitalized
- Must be italicized
- Cannot contain hyphens
- Must contain only base Latin characters.
Species names consist of exactly TWO components separated by a space:
- First component: genus name (capitalized, e.g., "Triavirus")
- Second component: species epithet
The species epithet may be:
- Traditional lowercase (e.g., "encephalitidis" in "Orthobunyavirus encephalitidis")
- Mixed case with numbers (e.g., "phi2958PVL" in "Triavirus phi2958PVL")
Character rules for species epithets:
- Hyphens ('-') are allowed
- Numbers are allowed
- Hyphens cannot separate numbers from letters (numbers are not separated by '-' from the rest of the epithet)
- Only base Latin characters, hyphens and numbers are allowed.
| Rank | Suffix |
|---|---|
| Realm | -viria |
| Subrealm | -vira |
| Kingdom | -virae |
| Subkingdom | -virites |
| Phylum | -viricota |
| Subphylum | -viricotina |
| Class | -viricetes |
| Subclass | -viricetidae |
| Order | -virales |
| Suborder | -virineae |
| Family | -viridae |
| Subfamily | -virinae |
| Genus | -virus |
| Subgenus | -virus |
| Rank | Suffix |
|---|---|
| Realm | -viroidia |
| Subrealm | -viroida |
| Kingdom | -viroidae |
| Subkingdom | -viroidites |
| Phylum | -viroidicota |
| Subphylum | -viroidicotina |
| Class | -viroidicetes |
| Subclass | -viroidicetidae |
| Order | -viroidales |
| Suborder | -viroidineae |
| Family | -viroidae |
| Subfamily | -viroidinae |
| Genus | -viroid |
| Subgenus | -viroid |
| Rank | Suffix |
|---|---|
| Realm | -satellitia |
| Subrealm | -satellita |
| Kingdom | -satellitae |
| Subkingdom | -satellitites |
| Phylum | -satelliticota |
| Subphylum | -satelliticotina |
| Class | -satelliticetes |
| Subclass | -satelliticetidae |
| Order | -satellitales |
| Suborder | -satellitineae |
| Family | -satellitidae |
| Subfamily | -satellitinae |
| Genus | -satellite |
| Subgenus | -satellite |
| Rank | Suffix |
|---|---|
| Realm | -viriformia |
| Subrealm | -viriforma |
| Kingdom | -viriformae |
| Subkingdom | -viriformites |
| Phylum | -viriformicota |
| Subphylum | -viriformicotina |
| Class | -viriformicetes |
| Subclass | -viriformicetidea |
| Order | -viriformales |
| Suborder | -viriformineae |
| Family | -viriformidae |
| Subfamily | -viriforminae |
| Genus | -viriform |
| Subgenus | -viriform |